libstdc++-v3/testsuite/util/performance/priority_queue/timing/modify_test.hpp - gcc - Git at Google

 // -*- C++ -*-

 // Copyright (C) 2005-2021 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the terms
 // of the GNU General Public License as published by the Free Software
 // Foundation; either version 3, or (at your option) any later
 // version.

 // This library is distributed in the hope that it will be useful, but
 // WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // General Public License for more details.

 // You should have received a copy of the GNU General Public License
 // along with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.


 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

 // Permission to use, copy, modify, sell, and distribute this software
 // is hereby granted without fee, provided that the above copyright
 // notice appears in all copies, and that both that copyright notice
 // and this permission notice appear in supporting documentation. None
 // of the above authors, nor IBM Haifa Research Laboratories, make any
 // representation about the suitability of this software for any
 // purpose. It is provided "as is" without express or implied
 // warranty.

 /**
  * @file modify_test.hpp
  * Contains a modify performance test.
  */

 #ifndef PB_DS_JOIN_TEST_HPP
 #define PB_DS_JOIN_TEST_HPP

 #include <performance/time/timing_test_base.hpp>
 #include <ext/pb_ds/detail/type_utils.hpp>
 #include <performance/io/xml_formatter.hpp>
 #include <common_type/priority_queue/string_form.hpp>
 #include <iterator>

 namespace __gnu_pbds
 {
   namespace test
   {
     namespace detail
     {
       // Primary templates.
       template<typename It, class Cntnr, class Tag>
       class push_functor
       {
       public:
         push_functor(It ins_it_b,  It ins_it_e)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  typedef typename Cntnr::point_iterator point_iterator;
 	  typedef typename Cntnr::const_reference const_reference;
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;
 	      typedef std::vector<point_iterator> it_vec_t;
 	      it_vec_t m_a_its;
 	      for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 m_a_its.push_back(c.push(const_reference(ins_it->first)));
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
       };

       template<typename It, class Cntnr, class Tag>
       class push_modify_functor
       {
       private:
 	typedef typename Cntnr::point_iterator point_iterator;
 	typedef typename Cntnr::const_reference const_reference;
 	typedef typename Cntnr::value_type value_type;

       public:
         push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;
 	      typedef std::vector<typename Cntnr::point_iterator> it_vec_t;
 	      it_vec_t m_a_its;
 	      for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 m_a_its.push_back(c.push(const_reference(ins_it->first)));

 	      typename it_vec_t::iterator mod_it = m_a_its.begin();
 	      while (mod_it != m_a_its.end())
                 c.modify(*mod_it++, m_mod_val);
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
 	const value_type m_mod_val;
       };

       // Specializations.
       template<typename It, class Cntnr>
       class push_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
       {
       public:
         push_functor(It ins_it_b,  It ins_it_e)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  typedef typename Cntnr::const_reference const_reference;
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;
 	      for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 c.push(const_reference(ins_it->first));
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
       };

       template<typename It, class Cntnr>
       class push_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
       {
       public:
         push_functor(It ins_it_b,  It ins_it_e)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  typedef typename Cntnr::const_reference const_reference;
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;

 	      for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 c.push(const_reference(ins_it->first));
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
       };


       template<typename It, class Cntnr>
       class push_modify_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
       {
       private:
 	typedef typename Cntnr::iterator iterator;
 	typedef typename Cntnr::const_reference const_reference;
 	typedef typename Cntnr::value_type value_type;

       public:
         push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;
 	      It ins_it;
 	      for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 c.push(const_reference(ins_it->first));

 	      for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
 		{
 		  bool modified = false;
 		  for (iterator it = c.begin(); !modified && it != c.end(); ++it)
                     if (*it == ins_it->first)
 		      {
                         c.modify(it, m_mod_val);
                         modified = true;
 		      }
 		}
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
 	const value_type m_mod_val;
       };

       template<typename It, class Cntnr>
       class push_modify_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
       {
       private:
 	typedef typename Cntnr::value_type value_type;
 	typedef typename Cntnr::const_reference const_reference;

       public:
         push_modify_functor(It ins_it_b,  It ins_it_e, value_type mod_val)
 	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
 	{ }

 	void
         operator()(std::size_t resolution)
 	{
 	  for (std::size_t i = 0; i < resolution; ++i)
 	    {
 	      Cntnr c;
 	      It ins_it;
 	      for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 c.push(const_reference(ins_it->first));
 	      for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
                 c.modify(ins_it->first, m_mod_val);
 	    }
 	}

       private:
 	const It m_ins_it_b;
 	const It m_ins_it_e;
 	const value_type m_mod_val;
       };
     } // namespace detail

     template<typename It>
     class modify_test : private __gnu_pbds::test::detail::timing_test_base
     {
     public:
       modify_test(It b, size_t vn, size_t vs, size_t vm, bool modify_up)
       : m_ins_b(b), m_ins_vn(vn), m_ins_vs(vs), m_ins_vm(vm),
       m_modify_up(modify_up)
       { }

       template<typename Cntnr>
       void
       operator()(Cntnr);

     private:
       modify_test(const modify_test&);

       template<typename Cntnr>
       void
       modify(Cntnr, It ins_it_b, It ins_it_e)
       {
 	typedef typename Cntnr::const_reference const_reference;
 	Cntnr cntnr;
 	for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
 	  cntnr.modify(const_reference(*ins_it));
       }

       const It m_ins_b;
       const size_t m_ins_vn;
       const size_t m_ins_vs;
       const size_t m_ins_vm;
       const bool m_modify_up;
     };

     template<typename It>
     template<typename Cntnr>
     void
     modify_test<It>::
     operator()(Cntnr)
     {
       typedef typename Cntnr::value_type value_type;
       typedef typename Cntnr::container_category container_category;
       typedef typename Cntnr::const_reference const_reference;
       typedef detail::timing_test_base timing_test_base;
       typedef detail::push_functor<It, Cntnr, container_category> psh_fnct;
       typedef detail::push_modify_functor<It, Cntnr, container_category> psh_mod_fnct;
       typedef xml_result_set_performance_formatter formatter_type;
       formatter_type res_set_fmt(string_form<Cntnr>::name(),
 				 string_form<Cntnr>::desc());

       for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
 	{
 	  const size_t v = m_ins_vn + i * m_ins_vs;
 	  It b = m_ins_b;
 	  It e = m_ins_b;
 	  std::advance(e, v);

 	  psh_fnct psh_fn(b, e);
 	  const double psh_res = timing_test_base::operator()(psh_fn);

 	  value_type val = b->first;
 	  {
             Cntnr mod_val_container;
             for (It mod_val_it = b; mod_val_it != e; ++mod_val_it)
 	      {
                 value_type pot = mod_val_it->first;
                 if (m_modify_up == mod_val_container.get_cmp_fn()(val, pot))
 		  val = pot;
 	      }
 	  }

 	  psh_mod_fnct psh_mod_fn(b, e, val);
 	  const double psh_mod_res = timing_test_base::operator()(psh_mod_fn);

 	  const double min_res = double(timing_test_base::min_time_res());
 	  const double effective_delta = std::max(psh_mod_res - psh_res,
 						  min_res);

 	  res_set_fmt.add_res(v, effective_delta / v);
 	}
     }
   } // namespace test
 } // namespace __gnu_pbds

 #endif
	// -- C++ --

	// Copyright (C) 2005-2021 Free Software Foundation, Inc.
	//
	// This file is part of the GNU ISO C++ Library. This library is free
	// software; you can redistribute it and/or modify it under the terms
	// of the GNU General Public License as published by the Free Software
	// Foundation; either version 3, or (at your option) any later
	// version.

	// This library is distributed in the hope that it will be useful, but
	// WITHOUT ANY WARRANTY; without even the implied warranty of
	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	// General Public License for more details.

	// You should have received a copy of the GNU General Public License
	// along with this library; see the file COPYING3. If not see
	// <http://www.gnu.org/licenses/>.


	// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

	// Permission to use, copy, modify, sell, and distribute this software
	// is hereby granted without fee, provided that the above copyright
	// notice appears in all copies, and that both that copyright notice
	// and this permission notice appear in supporting documentation. None
	// of the above authors, nor IBM Haifa Research Laboratories, make any
	// representation about the suitability of this software for any
	// purpose. It is provided "as is" without express or implied
	// warranty.

	/**
	* @file modify_test.hpp
	* Contains a modify performance test.
	*/

	#ifndef PB_DS_JOIN_TEST_HPP
	#define PB_DS_JOIN_TEST_HPP

	#include <performance/time/timing_test_base.hpp>
	#include <ext/pb_ds/detail/type_utils.hpp>
	#include <performance/io/xml_formatter.hpp>
	#include <common_type/priority_queue/string_form.hpp>
	#include <iterator>

	namespace __gnu_pbds
	{
	namespace test
	{
	namespace detail
	{
	// Primary templates.
	template<typename It, class Cntnr, class Tag>
	class push_functor
	{
	public:
	push_functor(It ins_it_b, It ins_it_e)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
	{ }

	void
	operator()(std::size_t resolution)
	{
	typedef typename Cntnr::point_iterator point_iterator;
	typedef typename Cntnr::const_reference const_reference;
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;
	typedef std::vector<point_iterator> it_vec_t;
	it_vec_t m_a_its;
	for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	m_a_its.push_back(c.push(const_reference(ins_it->first)));
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	};

	template<typename It, class Cntnr, class Tag>
	class push_modify_functor
	{
	private:
	typedef typename Cntnr::point_iterator point_iterator;
	typedef typename Cntnr::const_reference const_reference;
	typedef typename Cntnr::value_type value_type;

	public:
	push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
	{ }

	void
	operator()(std::size_t resolution)
	{
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;
	typedef std::vector<typename Cntnr::point_iterator> it_vec_t;
	it_vec_t m_a_its;
	for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	m_a_its.push_back(c.push(const_reference(ins_it->first)));

	typename it_vec_t::iterator mod_it = m_a_its.begin();
	while (mod_it != m_a_its.end())
	c.modify(*mod_it++, m_mod_val);
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	const value_type m_mod_val;
	};

	// Specializations.
	template<typename It, class Cntnr>
	class push_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
	{
	public:
	push_functor(It ins_it_b, It ins_it_e)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
	{ }

	void
	operator()(std::size_t resolution)
	{
	typedef typename Cntnr::const_reference const_reference;
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;
	for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	c.push(const_reference(ins_it->first));
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	};

	template<typename It, class Cntnr>
	class push_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
	{
	public:
	push_functor(It ins_it_b, It ins_it_e)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
	{ }

	void
	operator()(std::size_t resolution)
	{
	typedef typename Cntnr::const_reference const_reference;
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;

	for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	c.push(const_reference(ins_it->first));
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	};


	template<typename It, class Cntnr>
	class push_modify_functor<It, Cntnr, __gnu_pbds::binary_heap_tag>
	{
	private:
	typedef typename Cntnr::iterator iterator;
	typedef typename Cntnr::const_reference const_reference;
	typedef typename Cntnr::value_type value_type;

	public:
	push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
	{ }

	void
	operator()(std::size_t resolution)
	{
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;
	It ins_it;
	for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	c.push(const_reference(ins_it->first));

	for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	{
	bool modified = false;
	for (iterator it = c.begin(); !modified && it != c.end(); ++it)
	if (*it == ins_it->first)
	{
	c.modify(it, m_mod_val);
	modified = true;
	}
	}
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	const value_type m_mod_val;
	};

	template<typename It, class Cntnr>
	class push_modify_functor<It, Cntnr, __gnu_pbds::test::native_pq_tag>
	{
	private:
	typedef typename Cntnr::value_type value_type;
	typedef typename Cntnr::const_reference const_reference;

	public:
	push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
	: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
	{ }

	void
	operator()(std::size_t resolution)
	{
	for (std::size_t i = 0; i < resolution; ++i)
	{
	Cntnr c;
	It ins_it;
	for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	c.push(const_reference(ins_it->first));
	for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
	c.modify(ins_it->first, m_mod_val);
	}
	}

	private:
	const It m_ins_it_b;
	const It m_ins_it_e;
	const value_type m_mod_val;
	};
	} // namespace detail

	template<typename It>
	class modify_test : private __gnu_pbds::test::detail::timing_test_base
	{
	public:
	modify_test(It b, size_t vn, size_t vs, size_t vm, bool modify_up)
	: m_ins_b(b), m_ins_vn(vn), m_ins_vs(vs), m_ins_vm(vm),
	m_modify_up(modify_up)
	{ }

	template<typename Cntnr>
	void
	operator()(Cntnr);

	private:
	modify_test(const modify_test&);

	template<typename Cntnr>
	void
	modify(Cntnr, It ins_it_b, It ins_it_e)
	{
	typedef typename Cntnr::const_reference const_reference;
	Cntnr cntnr;
	for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
	cntnr.modify(const_reference(*ins_it));
	}

	const It m_ins_b;
	const size_t m_ins_vn;
	const size_t m_ins_vs;
	const size_t m_ins_vm;
	const bool m_modify_up;
	};

	template<typename It>
	template<typename Cntnr>
	void
	modify_test<It>::
	operator()(Cntnr)
	{
	typedef typename Cntnr::value_type value_type;
	typedef typename Cntnr::container_category container_category;
	typedef typename Cntnr::const_reference const_reference;
	typedef detail::timing_test_base timing_test_base;
	typedef detail::push_functor<It, Cntnr, container_category> psh_fnct;
	typedef detail::push_modify_functor<It, Cntnr, container_category> psh_mod_fnct;
	typedef xml_result_set_performance_formatter formatter_type;
	formatter_type res_set_fmt(string_form<Cntnr>::name(),
	string_form<Cntnr>::desc());

	for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
	{
	const size_t v = m_ins_vn + i * m_ins_vs;
	It b = m_ins_b;
	It e = m_ins_b;
	std::advance(e, v);

	psh_fnct psh_fn(b, e);
	const double psh_res = timing_test_base::operator()(psh_fn);

	value_type val = b->first;
	{
	Cntnr mod_val_container;
	for (It mod_val_it = b; mod_val_it != e; ++mod_val_it)
	{
	value_type pot = mod_val_it->first;
	if (m_modify_up == mod_val_container.get_cmp_fn()(val, pot))
	val = pot;
	}
	}

	psh_mod_fnct psh_mod_fn(b, e, val);
	const double psh_mod_res = timing_test_base::operator()(psh_mod_fn);

	const double min_res = double(timing_test_base::min_time_res());
	const double effective_delta = std::max(psh_mod_res - psh_res,
	min_res);

	res_set_fmt.add_res(v, effective_delta / v);
	}
	}
	} // namespace test
	} // namespace __gnu_pbds

	#endif